Inner circle: Rachel Roy is one of Kim Kardashian's closest pals, and the pair are seen here together in March 2012 '

The aftermath: Jay Z looked shellshocked as the trio left the elevator after the fight at the Standard Hotel in New York last Monday '' Movie inaendelea mengi bado kujitokeza''mbuta nanga'' Wacha video ziendeleee'''

They used to be friends: Solance and Rachel Roy even accompanied one another to the 2012 Met Gala''ngoja nikurudishie faham'Rachel ndiyo huyo wa kulia''

Solange has admitted to issues with drugs in the past, and cancelled her European tour last year amidst rumours of usage according to Radar Online.

In February, 2009, she tweeted about ending up in the hospital after a Nyquil overdose. 'I don’t even smoke weed that often, but I’m finding I can’t remember things,' she revealed on Twitter on Septemer 1 the same year.

Solange and the music mogul have been close for over a decade, with Jay Z - real name Shawn Carter - taking a big brother style role to the fledgling star after he started dating her sister

Beyonce and Jay Z were famously friends first but started a relationship way back in 2001, they then married in 2008.